/**
 * Copyright (C)
 * 	2008 Jeremy Thomerson <jeremy@thomersonfamily.com>
 * 	2012 Michael Mosmann <michael@mosmann.de>
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.wicketstuff.pageserializer.common.analyze.report.io;

import org.wicketstuff.pageserializer.common.analyze.ISerializedObjectTree;

public class JoiningKeyGenerator implements IReportKeyGenerator {

	private final String _separator;
	private final IReportKeyGenerator[] _generator;

	public JoiningKeyGenerator(String separator, IReportKeyGenerator... generator) {
		_separator = separator;
		_generator = generator;
	}

	@Override
	public String keyOf(ISerializedObjectTree tree) {
		StringBuilder sb=new StringBuilder();
		boolean addSeparator=false;
		
		for (IReportKeyGenerator g : _generator) {
			if (addSeparator) {
				sb.append("-");
			} 
			addSeparator=true;
			
			String key=g.keyOf(tree);
			sb.append(key);
		}
		return sb.toString();
	}

}
